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80 lines
3 KiB
C++
80 lines
3 KiB
C++
/*************** TabDos H Declares Source Code File (.H) ***************/
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/* Name: TABFIX.H Version 2.3 */
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/* */
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/* (C) Copyright to the author Olivier BERTRAND 1999-2012 */
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/* */
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/* This file contains the TDBFIX and (FIX/BIN)COL classes declares. */
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/***********************************************************************/
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#ifndef __TABFIX__
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#define __TABFIX__
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#include "tabdos.h" /* Base class declares */
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typedef class FIXCOL *PFIXCOL;
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typedef class BINCOL *PBINCOL;
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typedef class TXTFAM *PTXF;
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/***********************************************************************/
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/* This is the DOS/UNIX Access Method class declaration for files */
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/* that are standard files with columns starting at fixed offset. */
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/* This class is for fixed formatted files. */
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/***********************************************************************/
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class DllExport TDBFIX : public TDBDOS {
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friend class FIXCOL;
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friend class BINCOL;
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public:
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// Constructor
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TDBFIX(PDOSDEF tdp, PTXF txfp);
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TDBFIX(PGLOBAL g, PTDBFIX tdbp);
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// Implementation
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virtual AMT GetAmType(void) {return TYPE_AM_FIX;}
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virtual void RestoreNrec(void);
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virtual PTDB Duplicate(PGLOBAL g)
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{return (PTDB)new(g) TDBFIX(g, this);}
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// Methods
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virtual PTDB CopyOne(PTABS t);
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virtual void ResetDB(void);
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virtual bool IsUsingTemp(PGLOBAL g);
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virtual int RowNumber(PGLOBAL g, bool b = false);
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virtual int ResetTableOpt(PGLOBAL g, bool dox);
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virtual void ResetSize(void);
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virtual int GetBadLines(void) {return Txfp->GetNerr();}
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// Database routines
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virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
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virtual int GetProgMax(PGLOBAL g);
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virtual int Cardinality(PGLOBAL g);
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virtual int GetMaxSize(PGLOBAL g);
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virtual bool OpenDB(PGLOBAL g);
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virtual int WriteDB(PGLOBAL g);
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protected:
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// Members are inherited from TDBDOS
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}; // end of class TDBFIX
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/***********************************************************************/
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/* Class BINCOL: BIN access method column descriptor. */
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/* This A.M. is used for file processed by blocks. */
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/***********************************************************************/
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class DllExport BINCOL : public DOSCOL {
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friend class TDBFIX;
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public:
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// Constructors
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BINCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PSZ am = "BIN");
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BINCOL(BINCOL *colp, PTDB tdbp); // Constructor used in copy process
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// Implementation
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virtual int GetAmType(void) {return TYPE_AM_BIN;}
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// Methods
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virtual void ReadColumn(PGLOBAL g);
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virtual void WriteColumn(PGLOBAL g);
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protected:
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BINCOL(void) {} // Default constructor not to be used
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// Members
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char Fmt; // The column numeric format
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}; // end of class BINCOL
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#endif // __TABFIX__
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